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In the Forum: Audio Discussions
In the Thread: The ULF cannel for my new listening room.
Post Subject: Eventualy!Posted by Romy the Cat on: 9/26/2018
OK, I have found the problem I had with my digital and
analog crossovers, now everything is consistent. It turn out that my contractor
why built for me the IB manifold confused the polarity of right and left channels.
I was not able to use the phase tester with analog crossover as the filtration
too deep and I have no access to the drivers up close. With digital crossover I was able to bypass the
filter and test the phase and everything was in phase. With analog crossover
the R and L IB channels were out of phase and the reason why the digital crossover
sounded so well was because my digital crossover was set to invert polarity of channel
B. I discovered the problem when I made the first time sweep for both channels.
So, the digital filter is gone. I end up with 35Hz Bessel
and below is the response for both channels individually. I am positively
surprised, (VERY SURPRISED!!!) with final sonic result I got and with
relatively low amounts of efforts it took. I will work with small bells and
whistles of response and tonal/dynamic (tubes, cables etc…) aspect of sound but
the basics is there…
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